<template>
  <div>
    <br>
    <!-- 搜索表单 -->
    <el-form ref="queryRef" :inline="true" label-width="68px" v-if="showSearch">
      <el-form-item label="分类">
        <el-cascader
            :props="categoryProps"
            v-model="queryCategoryIdList"
            @change="handleCategoryChange"
            style="width: 100%"
        />
      </el-form-item>
      <el-form-item label="品牌">
        <el-select
            v-model="queryParams.brandId"
            placeholder="选择品牌">
          <el-option v-for="item in brandList" :key="item.id" :label="item.name" :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="reset()">重置</el-button>
      </el-form-item>

    </el-form>
    <!-- 功能按钮栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
            type="primary"
            plain
            icon="Plus"
            @click="handleAdd()"
            v-hasPermi="['product:categoryBrand:add']"
        >新增
        </el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button
            type="success"
            plain
            icon="Edit"
            :disabled="single"
            @click="handleChange"
            v-hasPermi="['product:categoryBrand:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="danger"
            plain
            icon="Delete"
            :disabled="multiple"
            @click="handelDelete"
            v-hasPermi="['product:categoryBrand:delete']"
        >删除
        </el-button>
        <el-tooltip circle :content="showCircle" placement="top">
          <el-button icon="Search" @click="change()"></el-button>
        </el-tooltip>
        <el-button icon="Refresh" circle @click="getList"/>
      </el-col>
    </el-row>

    <!-- 新增或修改分类品牌对话框 -->
    <el-dialog :title="title" v-model="open" @open="HandleOpenDialog" width="500px" append-to-body>
      <el-form ref="brandRef" :model="form" label-width="80px">
        <el-form-item label="分类" :rules="[{
          required: true,
          message: '品牌名不能为空',
          trigger: 'blur'
        }]">
          <el-cascader
              :props="categoryProps"
              v-model="form.categoryIdList"
              @change="handleCategoryChange1"
              style="width: 100%"
          />
        </el-form-item>
        <el-form-item label="品牌" :rules="[{
          required: true,
          message: '品牌名不能为空',
          trigger: 'blur'
        }]">
          <el-select
              v-model="form.brandId"
              placeholder="选择品牌">
            <el-option v-for="item in brandList" :key="item.id" :label="item.name" :value="item.id" v-model="form.name"
            />
          </el-select>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submit()">确 定</el-button>
          <el-button @click="cancel()">取 消</el-button>
        </div>
      </template>
    </el-dialog>
    <!-- 数据展示表格 -->
    <el-table v-loading="loading" :data="categoryBList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="分类名称" prop="categoryName" width="200"/>
      <el-table-column label="品牌名称" prop="brandName" width="200"/>
      <el-table-column label="品牌图标" prop="logo" #default="scope">
        <img :src="scope.row.logo" width="50"/>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleChange(scope.row)"
                     v-hasPermi="['product:categoryBrand:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handelDelete(scope.row)"
                     v-hasPermi="['product:categoryBrand:delete']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页条组件 -->
    <pagination
        v-show="total>0"
        :total="total"
        v-model:page="queryParams.pageNum"
        v-model:limit="queryParams.pageSize"
        @pagination="getList"
    />
    form.brandId{{form.brandId}}<br>
    form.value.categoryId{{form.categoryId}}<br>
    form.value.categoryId{{ form.categoryId}}<br>
  </div>
</template>


<script setup name="Brand">
import {getAllBrand} from "@/api/product/brand";
import {
  listCategoryBrand,
  deleteCategoryBrand,
  listCategory,
  addCategoryBrand,
  updateCategoryBrand,
  getCategoryBrand
} from "@/api/product/categorybrand";

import {getToken} from "@/utils/auth";
import {reactive, ref, toRefs, nextTick} from "vue";
//引入ElMessage组件
import {ElMessage, ElMessageBox} from "element-plus";
//定义品牌分页列表数据模型
const brandList = ref([]);
//定义分页列表数据模型
const categoryBList = ref([]);
//定义分类树类别模型数据
const treeList = ref([]);
//定义列表总记录数模型
const total = ref(0);
//定义加载页面的模型数据
const loading = ref(true)

//新增与修改弹出层控制模型
const open = ref(false);
//新增与修改弹出层标题模型
const title = ref("");
//批量删除的id
const ids = ref([]);
//按钮修改的id
const id = ref("");
//批量删除按钮禁用
const multiple = ref(true);
//按钮修改禁用
const single = ref(true);
//Dialog的数据校验
const brandRef = ref();
//定义查询的模型数据
const data = reactive({
  queryParams: {
    "name": undefined,
    "pageNum": undefined,
    "pageSize": undefined,
    "brandId": null,
    "categoryId": null
  },
  form: {},
  imgUpload: {
    // 设置上传的请求头部
    headers: {
      Authorization: "Bearer " + getToken()
    },
    // 图片上传的方法地址:
    url: import.meta.env.VITE_APP_BASE_API + "/file/upload"
  }
});
//三级分类
const props = {
  lazy: true,
  value: 'id',
  label: 'name',
  leaf: 'leaf',
  async lazyLoad(node, resolve) {
    // const {level} = node
    if (typeof node.value == 'undefined') node.value = 0
    const {code, data, message} = await listCategory(node.value)

    //hasChildren判断是否有子节点
    data.forEach(function (item) {
      item.leaf = !item.hasChildren
    })
    resolve(data)
  },
}
const categoryProps = ref(props)
const {queryParams, form} = toRefs(data);

//处理分类change事件
const queryCategoryIdList = ref([])
const handleCategoryChange = () => {
  if (queryCategoryIdList.value.length == 3) {
    form.value.categoryId = queryCategoryIdList.value[2]
  }
}
const handleCategoryChange1 = () => {
  if (form.value.categoryIdList.length == 3) {
    form.value.categoryId = form.value.categoryIdList[2]
  }
}




const showCircle = ref("隐藏搜索框")
const showSearch = ref(true)

function change() {
  if (showCircle.value == "隐藏搜索框") {
    showSearch.value = false
    showCircle.value = "显示搜索框"
  } else if (showCircle.value == "显示搜索框") {
    showSearch.value = true
    showCircle.value = "隐藏搜索框"
  }
}

//重置表单
function reset() {
  queryParams.value.pageNum = 1;
  queryParams.value.pageSize = 10;
  queryParams.value.categoryId = null;
  queryParams.value.brandId = null;
  queryCategoryIdList.value = [];
  handleQuery()
}

//获取品牌列表
function getBrandList() {
  loading.value = true
  getAllBrand().then(response => {
    brandList.value = response.data;
    loading.value = false
  })
}

//查询商品列表
function getList() {
  loading.value = true;
  listCategoryBrand(queryParams.value).then(response => {
    categoryBList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  })
}

//执行查询商品列表的方法
getList()
getBrandList()


//搜索
function handleQuery() {
  getList()
}

//重置对话框数据
function dioReset() {
  form.value = {
    id: null,
    brandId: null,
    categoryId: null,
    categoryIdList: []
  };
}

//新增
function handleAdd() {
  dioReset()
  open.value = true
  title.value = "新增品牌"
}

function submit() {
  // form.value.brandId = queryParams.value.brandId
  // form.value.categoryId = queryParams.value.categoryId
  if (form.value.id == null) {
    addCategoryBrand(form.value).then(response => {
      ElMessage.success("新增成功")
      open.value = false
      getList()
      reset()
    })
  } else {
    updateCategoryBrand(form.value).then(response => {
      ElMessage.success("修改成功")
      open.value = false
      getList()
      reset()
    })
  }

}

//修改
function handleChange(row) {
  dioReset()
  const _id = row.id || id.value
  getCategoryBrand(_id).then(response => {
    form.value = response.data
    queryParams.value.brandId = form.value.brandId
    queryParams.value.categoryId = form.value.categoryId
    open.value = true
    title.value = "修改品牌"
  })
}

//选择表格行
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  id.value = selection.map(item => item.id);
  multiple.value = !selection.length;
  single.value = selection.length != 1

}

//删除
function handelDelete(row) {
  const _id = row.id || ids.value
  // const b = confirm("确定要删除编号为" + _id + "的品牌吗");
  ElMessageBox.confirm('确定要删除编号为"' + _id + '"的品牌吗', '系统提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消'
  }).then(() => {
    deleteCategoryBrand(_id).then(response => {
      ElMessage({
        type: 'success',
        message: '删除成功'
      })
      getList()
    })
  }).catch(() => {
    ElMessage({
      type: 'info',
      message: '取消删除'
    })
  });
}


//对话框取消
function cancel() {
  open.value = false
}

//清楚表单校验数据记录
function HandleOpenDialog() {
  nextTick(() => {
    brandRef.value.clearValidate()
  })
}
</script>
<style scoped>
.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>

